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Former Alameda County Supervisor Nadia Lockyer faces new drug and child-endangerment charges after she was arrested last week in Southern California. (Published Wednesday, Sept. 5, 2012)

Updated at 8:54 AM PDT on Thursday, Sep 6, 2012

Former Alameda County Supervisor Nadia Lockyer faces new drug and child-endangerment charges after she was arrested last week in Southern California.

Nadia Lockyer is the estranged wife of state Treasurer Bill Lockyer.

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She made headlines in February after an violent incident at a Newark hotel involving a man she was having an affair with. She admitted at the time that she had a drug addition.

Two months later in April, she resigned her supervisorial seat.

According to court records, the arrest in Orange County happened on Aug. 28. Police said they found her in possession of meth-amphetamines and drug paraphernalia. Officers also said she showed signs of being under the influence. She had her 9-year-old son with her at the time, according to Orange County investigators.

Her lawyer Allan Stokke said she recognizes her error and intends to take all appropriate actions to regain her health.

Nadia Lockyer was charged with four criminal counts:

felony methamphetamine possession

being under the influence of a controlled substance

possession of drug paraphernalia

child abuse and endangerment

She entered "not guilty" pleas to all the counts on Aug. 30 and was released on her own recognizance to National Therapeutic Services, an Orange County drug rehab center, according to the Mercury News.